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authorPiotr Bandurski <ami_stuff@o2.pl>2013-05-19 11:24:41 +0200
committerMichael Niedermayer <michaelni@gmx.at>2013-05-19 18:09:57 +0200
commit2f75dcdc1c89737d480d0bc303ee224cb6ccf6ec (patch)
tree5d7848c022ef1b76f47dcb88f745938185b8b02d /libavcodec/mjpegdec.c
parent56f7e29dba39b2d1d8d15613622e36a1936c1aae (diff)
mjpegdec: Fix field orderforinterlacedAVDJand AVRN in ntsc mode
Fixes ticket1656 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mjpegdec.c')
-rw-r--r--libavcodec/mjpegdec.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 52168cce86..b933a712ea 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -1501,8 +1501,10 @@ static int mjpeg_decode_com(MJpegDecodeContext *s)
av_log(s->avctx, AV_LOG_INFO, "comment: '%s'\n", cbuf);
/* buggy avid, it puts EOI only at every 10th frame */
- if (!strcmp(cbuf, "AVID")) {
+ if (len > 3 && (!strncmp(cbuf, "AVID", 4))) {
s->buggy_avid = 1;
+ if (len > 14 && cbuf[12] == 1) /* 1 - NTSC, 2 - PAL */
+ s->interlace_polarity = 1;
} else if (!strcmp(cbuf, "CS=ITU601"))
s->cs_itu601 = 1;
else if ((len > 31 && !strncmp(cbuf, "Intel(R) JPEG Library, version 1", 32)) ||